-
- StringBuilder selectioncom = new StringBuilder(256);
- // In principle - nSeconds specifies the speed of animation for each
- // superposition - but is seems to behave weirdly, so we don't specify it.
- String nSeconds = " ";
- if (files.length > 10)
- {
- nSeconds = " 0.005 ";
- }
- else
- {
- nSeconds = " " + (2.0 / files.length) + " ";
- // if (nSeconds).substring(0,5)+" ";
- }
-
- // see JAL-1345 - should really automatically turn off the animation for
- // large numbers of structures, but Jmol doesn't seem to allow that.
- // nSeconds = " ";
- // union of all aligned positions are collected together.
- for (int a = 0; a < _alignment.length; a++)
- {
- int refStructure = _refStructure[a];
- AlignmentI alignment = _alignment[a];
- HiddenColumns hiddenCols = _hiddenCols[a];
- if (a > 0 && selectioncom.length() > 0 && !selectioncom
- .substring(selectioncom.length() - 1).equals("|"))
- {
- selectioncom.append("|");
- }
- // process this alignment
- if (refStructure >= files.length)
- {
- System.err.println(
- "Invalid reference structure value " + refStructure);
- refStructure = -1;
- }
-
- /*
- * 'matched' bit j will be set for visible alignment columns j where
- * all sequences have a residue with a mapping to the PDB structure
- */
- BitSet matched = new BitSet();
- for (int m = 0; m < alignment.getWidth(); m++)
- {
- if (hiddenCols == null || hiddenCols.isVisible(m))
- {
- matched.set(m);
- }
- }
-
- SuperposeData[] structures = new SuperposeData[files.length];
- for (int f = 0; f < files.length; f++)
- {
- structures[f] = new SuperposeData(alignment.getWidth());
- }
-
- /*
- * Calculate the superposable alignment columns ('matched'), and the
- * corresponding structure residue positions (structures.pdbResNo)
- */
- int candidateRefStructure = findSuperposableResidues(alignment,
- matched, structures);
- if (refStructure < 0)
- {
- /*
- * If no reference structure was specified, pick the first one that has
- * a mapping in the alignment
- */
- refStructure = candidateRefStructure;
- }
-
- String[] selcom = new String[files.length];
- int nmatched = matched.cardinality();
- if (nmatched < 4)
- {
- return (MessageManager.formatMessage("label.insufficient_residues",
- nmatched));
- }
-
- /*
- * generate select statements to select regions to superimpose structures
- */
- {
- // TODO extract method to construct selection statements
- for (int pdbfnum = 0; pdbfnum < files.length; pdbfnum++)
- {
- String chainCd = ":" + structures[pdbfnum].chain;
- int lpos = -1;
- boolean run = false;
- StringBuilder molsel = new StringBuilder();
- molsel.append("{");
-
- int nextColumnMatch = matched.nextSetBit(0);
- while (nextColumnMatch != -1)
- {
- int pdbResNo = structures[pdbfnum].pdbResNo[nextColumnMatch];
- if (lpos != pdbResNo - 1)
- {
- // discontinuity
- if (lpos != -1)
- {
- molsel.append(lpos);
- molsel.append(chainCd);
- molsel.append("|");
- }
- run = false;
- }
- else
- {
- // continuous run - and lpos >-1
- if (!run)
- {
- // at the beginning, so add dash
- molsel.append(lpos);
- molsel.append("-");
- }
- run = true;
- }
- lpos = pdbResNo;
- nextColumnMatch = matched.nextSetBit(nextColumnMatch + 1);
- }
- /*
- * add final selection phrase
- */
- if (lpos != -1)
- {
- molsel.append(lpos);
- molsel.append(chainCd);
- molsel.append("}");
- }
- if (molsel.length() > 1)
- {
- selcom[pdbfnum] = molsel.toString();
- selectioncom.append("((");
- selectioncom.append(selcom[pdbfnum].substring(1,
- selcom[pdbfnum].length() - 1));
- selectioncom.append(" )& ");
- selectioncom.append(pdbfnum + 1);
- selectioncom.append(".1)");
- if (pdbfnum < files.length - 1)
- {
- selectioncom.append("|");
- }
- }
- else
- {
- selcom[pdbfnum] = null;
- }
- }
- }
- StringBuilder command = new StringBuilder(256);
- // command.append("set spinFps 10;\n");
-
- for (int pdbfnum = 0; pdbfnum < files.length; pdbfnum++)
- {
- if (pdbfnum == refStructure || selcom[pdbfnum] == null
- || selcom[refStructure] == null)
- {
- continue;
- }
- command.append("echo ");
- command.append("\"Superposing (");
- command.append(structures[pdbfnum].pdbId);
- command.append(") against reference (");
- command.append(structures[refStructure].pdbId);
- command.append(")\";\ncompare " + nSeconds);
- command.append("{");
- command.append(Integer.toString(1 + pdbfnum));
- command.append(".1} {");
- command.append(Integer.toString(1 + refStructure));
- // conformation=1 excludes alternate locations for CA (JAL-1757)
- command.append(
- ".1} SUBSET {(*.CA | *.P) and conformation=1} ATOMS ");
-
- // for (int s = 0; s < 2; s++)
- // {
- // command.append(selcom[(s == 0 ? pdbfnum : refStructure)]);
- // }
- command.append(selcom[pdbfnum]);
- command.append(selcom[refStructure]);
- command.append(" ROTATE TRANSLATE;\n");
- }
- if (selectioncom.length() > 0)
- {
- // TODO is performing selectioncom redundant here? is done later on
- // System.out.println("Select regions:\n" + selectioncom.toString());
- evalStateCommand("select *; cartoons off; backbone; select ("
- + selectioncom.toString() + "); cartoons; ");
- // selcom.append("; ribbons; ");
- String cmdString = command.toString();
- // System.out.println("Superimpose command(s):\n" + cmdString);
-
- evalStateCommand(cmdString);
- }
- }
- if (selectioncom.length() > 0)
- {// finally, mark all regions that were superposed.
- if (selectioncom.substring(selectioncom.length() - 1).equals("|"))
- {
- selectioncom.setLength(selectioncom.length() - 1);
- }
- // System.out.println("Select regions:\n" + selectioncom.toString());
- evalStateCommand("select *; cartoons off; backbone; select ("
- + selectioncom.toString() + "); cartoons; ");
- // evalStateCommand("select *; backbone; select "+selcom.toString()+";
- // cartoons; center "+selcom.toString());
- }
-
- return null;
- }
-
- public void evalStateCommand(String command)
- {